From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5A01120F5 for ; Wed, 10 May 2023 08:41:27 +0000 (UTC) Received: from mail.netfilter.org (mail.netfilter.org [217.70.188.207]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id A2A471701; Wed, 10 May 2023 01:41:21 -0700 (PDT) From: Pablo Neira Ayuso To: netfilter-devel@vger.kernel.org Cc: davem@davemloft.net, netdev@vger.kernel.org, kuba@kernel.org, pabeni@redhat.com, edumazet@google.com Subject: [PATCH net 7/7] selftests: nft_flowtable.sh: check ingress/egress chain too Date: Wed, 10 May 2023 10:33:13 +0200 Message-Id: <20230510083313.152961-8-pablo@netfilter.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230510083313.152961-1-pablo@netfilter.org> References: <20230510083313.152961-1-pablo@netfilter.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net From: Florian Westphal Make sure flowtable interacts correctly with ingress and egress chains, i.e. those get handled before and after flow table respectively. Adds three more tests: 1. repeat flowtable test, but with 'ip dscp set cs3' done in inet forward chain. Expect that some packets have been mangled (before flowtable offload became effective) while some pass without mangling (after offload succeeds). 2. repeat flowtable test, but with 'ip dscp set cs3' done in veth0:ingress. Expect that all packets pass with cs3 dscp field. 3. same as 2, but use veth1:egress. Expect the same outcome. Signed-off-by: Florian Westphal Signed-off-by: Pablo Neira Ayuso --- .../selftests/netfilter/nft_flowtable.sh | 124 ++++++++++++++++++ 1 file changed, 124 insertions(+) diff --git a/tools/testing/selftests/netfilter/nft_flowtable.sh b/tools/testing/selftests/netfilter/nft_flowtable.sh index 51f986f19fee..a32f490f7539 100755 --- a/tools/testing/selftests/netfilter/nft_flowtable.sh +++ b/tools/testing/selftests/netfilter/nft_flowtable.sh @@ -188,6 +188,26 @@ if [ $? -ne 0 ]; then exit $ksft_skip fi +ip netns exec $ns2 nft -f - < /dev/null; then echo "ERROR: $ns1 cannot reach ns2" 1>&2 @@ -255,6 +275,60 @@ check_counters() fi } +check_dscp() +{ + local what=$1 + local ok=1 + + local counter=$(ip netns exec $ns2 nft reset counter inet filter ip4dscp3 | grep packets) + + local pc4=${counter%*bytes*} + local pc4=${pc4#*packets} + + local counter=$(ip netns exec $ns2 nft reset counter inet filter ip4dscp0 | grep packets) + local pc4z=${counter%*bytes*} + local pc4z=${pc4z#*packets} + + case "$what" in + "dscp_none") + if [ $pc4 -gt 0 ] || [ $pc4z -eq 0 ]; then + echo "FAIL: dscp counters do not match, expected dscp3 == 0, dscp0 > 0, but got $pc4,$pc4z" 1>&2 + ret=1 + ok=0 + fi + ;; + "dscp_fwd") + if [ $pc4 -eq 0 ] || [ $pc4z -eq 0 ]; then + echo "FAIL: dscp counters do not match, expected dscp3 and dscp0 > 0 but got $pc4,$pc4z" 1>&2 + ret=1 + ok=0 + fi + ;; + "dscp_ingress") + if [ $pc4 -eq 0 ] || [ $pc4z -gt 0 ]; then + echo "FAIL: dscp counters do not match, expected dscp3 > 0, dscp0 == 0 but got $pc4,$pc4z" 1>&2 + ret=1 + ok=0 + fi + ;; + "dscp_egress") + if [ $pc4 -eq 0 ] || [ $pc4z -gt 0 ]; then + echo "FAIL: dscp counters do not match, expected dscp3 > 0, dscp0 == 0 but got $pc4,$pc4z" 1>&2 + ret=1 + ok=0 + fi + ;; + *) + echo "FAIL: Unknown DSCP check" 1>&2 + ret=1 + ok=0 + esac + + if [ $ok -eq 1 ] ;then + echo "PASS: $what: dscp packet counters match" + fi +} + check_transfer() { in=$1 @@ -325,6 +399,51 @@ test_tcp_forwarding() return $? } +test_tcp_forwarding_set_dscp() +{ + check_dscp "dscp_none" + +ip netns exec $nsr1 nft -f - <&2 + exit 0 +fi + if ! test_tcp_forwarding_nat $ns1 $ns2 0 ""; then echo "FAIL: flow offload for ns1/ns2 with NAT" 1>&2 ip netns exec $nsr1 nft list ruleset -- 2.30.2